/* ElectroTrade — styles.css
   Namespace: et-
   Brand:     amber #D97706
   Fonts:     Inter (body/heading, matches logo), IBM Plex Mono (accents)
   Company:   Asian Tradex Electronics Technology
   ======================================================= */

/* --- Reset -------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
body { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
img, svg { display: block; max-width: 100%; }
button { border: 0; background: transparent; cursor: pointer; font: inherit; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }

/* --- Tokens ------------------------------------------------------------- */
:root {
  --amber: #D97706;
  --amber-dark: #B45309;
  --amber-tint: #FEF3C7;
  --amber-soft: #FFFBEB;
  --ink: #0A0A0A;
  --ink-2: #1C1C1F;
  --text: #1F1F23;
  --text-muted: #55555B;
  --text-light: #8A8A92;
  --bg: #FFFFFF;
  --bg-warm: #FAFAF7;
  --bg-panel: #F4F4EF;
  --border: #E8E8E4;
  --border-strong: #D4D4CE;
  --link: #1D4FD8;
  --radius: 6px;
  --radius-lg: 12px;
  --font-display: 'Inter', 'Helvetica Neue', system-ui, sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;
  --shadow-sm: 0 1px 2px rgba(10,10,10,0.04);
  --shadow-md: 0 4px 14px rgba(10,10,10,0.06);
  --shadow-lg: 0 12px 32px rgba(10,10,10,0.10);
}

/* --- Base --------------------------------------------------------------- */
body { font-family: var(--font-body); color: var(--text); background: var(--bg); line-height: 1.6; font-size: 1rem; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-display); color: var(--ink); letter-spacing: -0.015em; line-height: 1.15; }
h1 { font-size: clamp(2.1rem, 4.5vw, 3.3rem); font-weight: 500; letter-spacing: -0.025em; }
h2 { font-size: clamp(1.6rem, 2.8vw, 2.15rem); font-weight: 500; letter-spacing: -0.015em; }
h3 { font-size: 1.25rem; font-weight: 500; }
h4 { font-size: 1.05rem; font-weight: 500; }
a { color: var(--link); }
a:hover { text-decoration: underline; }

/* --- Layout utilities -------------------------------------------------- */
.et-container { max-width: 1180px; margin: 0 auto; padding: 0 1.5rem; }
.et-container-wide { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; }
.et-container-narrow { max-width: 720px; margin: 0 auto; padding: 0 1.5rem; }
.et-container-article { max-width: 820px; margin: 0 auto; padding: 0 1.5rem; }

.et-skip { position: absolute; left: -9999px; top: 0; background: var(--ink); color: white; padding: 0.75rem 1rem; z-index: 1000; }
.et-skip:focus { left: 0; }

/* --- Section utilities ------------------------------------------------- */
.et-section { padding: 5rem 0; }
.et-section-label {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--amber); margin-bottom: 1rem;
}
.et-section-label::before { content: ''; width: 18px; height: 1px; background: var(--amber); }
.et-section-heading { font-size: clamp(1.75rem, 3vw, 2.4rem); margin-bottom: 1rem; max-width: 32ch; line-height: 1.2; }
.et-section-intro { color: var(--text-muted); font-size: 1.05rem; max-width: 62ch; margin-bottom: 3rem; line-height: 1.65; }

/* --- Header & Nav ------------------------------------------------------ */
.et-site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.et-nav { display: flex; align-items: center; justify-content: space-between; max-width: 1280px; margin: 0 auto; padding: 1rem 1.5rem; gap: 2rem; }
.et-brand {
  display: flex; align-items: center;
  font-family: var(--font-display); font-weight: 400; font-size: 1.05rem;
  color: var(--ink); letter-spacing: 0.22em;
}
.et-brand strong { font-weight: 500; }

.et-nav-links { display: flex; gap: 1.75rem; font-size: 0.82rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; }
.et-nav-links a { color: var(--text); transition: color 0.15s; }
.et-nav-links a:hover, .et-nav-links a.et-active { color: var(--amber); text-decoration: none; }
.et-nav-cta { margin-left: auto; }

.et-nav-toggle { display: none; width: 36px; height: 36px; position: relative; }
.et-nav-toggle span, .et-nav-toggle span::before, .et-nav-toggle span::after {
  position: absolute; left: 8px; width: 20px; height: 2px; background: var(--ink); transition: all 0.2s;
}
.et-nav-toggle span { top: 17px; }
.et-nav-toggle span::before { content: ''; top: -6px; }
.et-nav-toggle span::after { content: ''; top: 6px; }

@media (max-width: 960px) {
  .et-nav-cta { display: none; }
  .et-nav-toggle { display: block; }
  .et-nav-links {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: white; flex-direction: column; padding: 1.5rem;
    border-bottom: 1px solid var(--border); gap: 1rem;
  }
  .et-nav-links.et-open { display: flex; }
}

/* --- Buttons ----------------------------------------------------------- */
.et-btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1.35rem;
  font-family: var(--font-body); font-size: 0.9rem; font-weight: 500; letter-spacing: 0.01em;
  border-radius: var(--radius); border: 1px solid transparent;
  cursor: pointer; transition: all 0.2s; text-decoration: none; white-space: nowrap;
}
.et-btn:hover { text-decoration: none; }
.et-btn-primary { background: var(--amber); color: white; border-color: var(--amber); }
.et-btn-primary:hover { background: var(--amber-dark); border-color: var(--amber-dark); }
.et-btn-dark { background: var(--ink); color: white; border-color: var(--ink); }
.et-btn-dark:hover { background: var(--amber); border-color: var(--amber); }
.et-btn-ghost { background: transparent; color: var(--ink); border-color: var(--border-strong); }
.et-btn-ghost:hover { background: var(--ink); color: white; border-color: var(--ink); }
.et-btn-light { background: rgba(255,255,255,0.1); color: white; border-color: rgba(255,255,255,0.25); }
.et-btn-light:hover { background: var(--amber); border-color: var(--amber); }
.et-btn-arrow::after { content: '→'; transition: transform 0.2s; font-weight: 400; }
.et-btn-arrow:hover::after { transform: translateX(3px); }

/* --- Hero (homepage) --------------------------------------------------- */
.et-hero { padding: 4rem 1.5rem 5rem; background: var(--bg); position: relative; overflow: hidden; }
.et-hero::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px; background-position: -1px -1px;
  opacity: 0.35;
  mask-image: radial-gradient(ellipse at 70% 30%, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 30%, black 0%, transparent 70%);
  pointer-events: none;
}
.et-hero-inner { max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: 1.15fr 1fr; gap: 4rem; align-items: center; position: relative; }
@media (max-width: 960px) { .et-hero-inner { grid-template-columns: 1fr; gap: 2.5rem; } .et-hero { padding: 2.5rem 1.5rem 3.5rem; } }
.et-hero h1 { margin-bottom: 1.5rem; max-width: 18ch; }
.et-hero h1 em { color: var(--amber); font-style: normal; }

.et-pill {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.4rem 0.85rem; background: var(--amber-soft); border: 1px solid var(--amber-tint);
  border-radius: 999px; color: var(--amber-dark);
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 2rem;
}
.et-pill-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--amber); }

.et-hero-lede { margin-top: 1.5rem; font-size: 1.15rem; color: var(--text-muted); line-height: 1.65; max-width: 48ch; }
.et-hero-btns { margin-top: 2.25rem; display: flex; gap: 0.75rem; flex-wrap: wrap; }

.et-hero-image { aspect-ratio: 1 / 1; border-radius: var(--radius-lg); overflow: hidden; background: var(--bg-panel); border: 1px solid var(--border); position: relative; }
.et-hero-image img { width: 100%; height: 100%; object-fit: cover; display: block; }
.et-hero-image-badge {
  position: absolute; bottom: 1rem; left: 1rem;
  background: rgba(10,10,10,0.88); backdrop-filter: blur(10px);
  color: white; font-family: var(--font-mono);
  font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.5rem 0.85rem; border-radius: var(--radius);
}
.et-hero-image-badge strong { color: var(--amber); font-weight: 500; }

/* --- Feature row ------------------------------------------------------- */
.et-features { background: var(--bg-warm); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 3.5rem 0; }
.et-features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
@media (max-width: 900px) { .et-features-grid { grid-template-columns: repeat(2, 1fr); gap: 2rem 1.5rem; } }
.et-feature { display: flex; flex-direction: column; gap: 0.5rem; }
.et-feature-icon { width: 40px; height: 40px; display: grid; place-items: center; color: var(--amber); margin-bottom: 0.5rem; }
.et-feature-icon svg { width: 28px; height: 28px; stroke: currentColor; stroke-width: 1.6; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.et-feature h3 { font-size: 1rem; color: var(--ink); margin-bottom: 0.25rem; letter-spacing: -0.01em; }
.et-feature p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; }

/* --- Bento -------------------------------------------------------------- */
.et-bento { padding: 5rem 0; }
.et-bento-head { display: flex; justify-content: space-between; align-items: end; gap: 2rem; margin-bottom: 2.5rem; flex-wrap: wrap; }
.et-bento-head .et-section-intro { margin-bottom: 0; }
.et-bento-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; grid-template-rows: auto auto; gap: 1.25rem; }
@media (max-width: 900px) { .et-bento-grid { grid-template-columns: 1fr; grid-template-rows: auto; } }

.et-bento-card {
  border-radius: var(--radius-lg); overflow: hidden; position: relative;
  display: flex; flex-direction: column; background: var(--bg-warm);
  border: 1px solid var(--border);
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
  padding: 1.75rem; gap: 1rem;
}
.et-bento-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--border-strong); text-decoration: none; }
.et-bento-big { grid-row: 1 / 3; grid-column: 1 / 2; min-height: 420px; padding: 0; }
.et-bento-card-img { margin: -1.75rem -1.75rem 0; height: 180px; overflow: hidden; background: var(--bg-panel); }
.et-bento-big .et-bento-card-img { margin: 0; height: 280px; }
.et-bento-big-content { padding: 1.75rem; display: flex; flex-direction: column; gap: 1rem; flex: 1; }
.et-bento-card-img img { width: 100%; height: 100%; object-fit: cover; display: block; }

.et-bento-tag { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--amber); margin-bottom: 0.25rem; }
.et-bento-card h3 { font-size: 1.15rem; color: var(--ink); line-height: 1.3; }
.et-bento-big h3 { font-size: 1.45rem; }
.et-bento-card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; flex: 1; }

.et-bento-link { display: inline-flex; align-items: center; gap: 0.35rem; color: var(--ink); font-weight: 500; font-size: 0.88rem; margin-top: auto; }
.et-bento-link::after { content: '→'; transition: transform 0.2s; }
.et-bento-card:hover .et-bento-link::after { transform: translateX(3px); }

.et-bento-cta {
  background: var(--ink); color: white; grid-column: 1 / -1;
  padding: 2rem; display: flex; align-items: center; justify-content: space-between;
  gap: 2rem; border: none; flex-direction: row;
}
.et-bento-cta:hover { background: var(--ink-2); transform: translateY(-3px); }
.et-bento-cta h3 { color: white; font-size: 1.35rem; max-width: 56ch; }
.et-bento-cta p { color: rgba(255,255,255,0.7); margin-top: 0.4rem; }
.et-bento-cta-arrow { width: 48px; height: 48px; background: var(--amber); border-radius: 50%; display: grid; place-items: center; color: white; font-size: 1.3rem; flex-shrink: 0; transition: transform 0.2s; }
.et-bento-cta:hover .et-bento-cta-arrow { transform: translateX(4px); }
@media (max-width: 600px) { .et-bento-cta { flex-direction: column; align-items: flex-start; } }

/* --- Pillar cards ------------------------------------------------------ */
.et-pillars { background: var(--bg-panel); padding: 5rem 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.et-pillars-head { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 3rem; flex-wrap: wrap; }
.et-pillars-head .et-section-intro { margin-bottom: 0; }
.et-pillars-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
@media (max-width: 900px) { .et-pillars-grid { grid-template-columns: 1fr; } }

.et-pillar-card {
  background: white; border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; transition: transform 0.25s, box-shadow 0.25s;
  display: flex; flex-direction: column;
}
.et-pillar-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); text-decoration: none; }
.et-pillar-card-img { height: 160px; overflow: hidden; background: var(--bg-panel); }
.et-pillar-card-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.et-pillar-card-body { padding: 1.5rem; display: flex; flex-direction: column; flex: 1; }
.et-pillar-tag { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--amber); margin-bottom: 0.75rem; }
.et-pillar-card h3 { font-size: 1.08rem; color: var(--ink); margin-bottom: 0.6rem; line-height: 1.35; }
.et-pillar-card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; flex: 1; margin-bottom: 1rem; }
.et-pillar-link { color: var(--ink); font-weight: 500; font-size: 0.86rem; display: inline-flex; gap: 0.35rem; }
.et-pillar-link::after { content: '→'; transition: transform 0.2s; }
.et-pillar-card:hover .et-pillar-link::after { transform: translateX(3px); }

/* --- Mission quote ----------------------------------------------------- */
.et-mission-quote { position: relative; background: var(--ink); padding: 6rem 1.5rem; text-align: center; overflow: hidden; }
.et-mission-quote::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(217,119,6,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(217,119,6,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}
.et-mission-quote-bg {
  background-image:
    linear-gradient(rgba(10,10,10,0.82), rgba(10,10,10,0.92)),
    url('../images/mission_01.jpg');
  background-size: cover; background-position: center;
}
.et-mission-quote-inner { max-width: 780px; margin: 0 auto; position: relative; }
.et-mission-quote-mark { font-family: var(--font-mono); color: var(--amber); font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 1.5rem; }
.et-mission-quote blockquote { font-size: clamp(1.3rem, 2.6vw, 1.85rem); color: white; line-height: 1.45; max-width: 30ch; margin: 0 auto 2rem; letter-spacing: -0.015em; font-weight: 400; }
.et-mission-attribution { font-family: var(--font-mono); font-size: 0.72rem; color: rgba(255,255,255,0.5); letter-spacing: 0.14em; text-transform: uppercase; }

/* --- CTA band ---------------------------------------------------------- */
.et-cta-band { background: var(--ink); color: white; padding: 4.5rem 0; }
.et-cta-band-inner { display: flex; align-items: center; justify-content: space-between; gap: 2.5rem; flex-wrap: wrap; }
.et-cta-band h2 { color: white; font-size: clamp(1.5rem, 2.5vw, 2.1rem); max-width: 28ch; letter-spacing: -0.015em; }
.et-cta-band-text p { color: rgba(255,255,255,0.65); margin-top: 0.6rem; font-size: 1rem; max-width: 50ch; }
@media (max-width: 700px) { .et-cta-band-inner { flex-direction: column; align-items: flex-start; } }

/* --- Footer ------------------------------------------------------------ */
.et-site-footer { background: #0A0A0A; color: rgba(255,255,255,0.72); padding: 5rem 0 2rem; font-size: 0.9rem; }
.et-footer-grid { display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr 1fr; gap: 2.5rem; margin-bottom: 3rem; }
@media (max-width: 1000px) { .et-footer-grid { grid-template-columns: 1fr 1fr 1fr; } }
@media (max-width: 640px) { .et-footer-grid { grid-template-columns: 1fr 1fr; } }
.et-footer-brand { display: flex; flex-direction: column; gap: 1rem; }
.et-footer-brand .et-brand { color: white; font-size: 1rem; letter-spacing: 0.22em; }
.et-footer-brand p { color: rgba(255,255,255,0.55); max-width: 34ch; line-height: 1.65; font-size: 0.88rem; }
.et-footer-brand a[href^="mailto"] { color: var(--amber); font-weight: 500; }
.et-footer-col h4 { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--amber); margin-bottom: 1.1rem; font-weight: 500; }
.et-footer-col ul { display: grid; gap: 0.55rem; }
.et-footer-col a { color: rgba(255,255,255,0.65); transition: color 0.15s; }
.et-footer-col a:hover { color: white; text-decoration: none; }
.et-footer-bottom { padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.08); font-size: 0.78rem; color: rgba(255,255,255,0.42); display: flex; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; font-family: var(--font-mono); }
.et-footer-bottom .et-since { color: var(--amber); }

/* --- Page hero --------------------------------------------------------- */
.et-page-hero { padding: 4.5rem 1.5rem 3rem; background: var(--bg-warm); border-bottom: 1px solid var(--border); position: relative; overflow: hidden; }
.et-page-hero::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px; opacity: 0.4;
  mask-image: linear-gradient(180deg, transparent 0%, black 100%);
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, black 100%);
  pointer-events: none;
}
.et-page-hero-inner { max-width: 1180px; margin: 0 auto; position: relative; }
.et-page-hero h1 { max-width: 20ch; margin-bottom: 1rem; }
.et-page-hero-lede { color: var(--text-muted); font-size: 1.1rem; max-width: 58ch; line-height: 1.65; }

/* --- Prose (content pages + articles) --------------------------------- */
.et-prose { max-width: 68ch; }
.et-prose p { margin-bottom: 1.2em; line-height: 1.75; color: var(--text); font-size: 1.03rem; }
.et-prose h2 { margin-top: 2.75rem; margin-bottom: 1rem; font-size: 1.55rem; scroll-margin-top: 100px; }
.et-prose h3 { margin-top: 2rem; margin-bottom: 0.75rem; font-size: 1.18rem; }
.et-prose ul, .et-prose ol { margin: 0 0 1.25em 1.5em; }
.et-prose ul li { list-style: disc; margin-bottom: 0.55em; line-height: 1.7; }
.et-prose ol li { list-style: decimal; margin-bottom: 0.55em; line-height: 1.7; }
.et-prose strong { color: var(--ink); font-weight: 600; }
.et-prose a { color: var(--link); }
.et-prose a:hover { text-decoration: underline; }
.et-prose code { font-family: var(--font-mono); font-size: 0.88em; background: var(--bg-panel); padding: 0.1em 0.4em; border-radius: 4px; border: 1px solid var(--border); }
.et-prose blockquote { margin: 1.75rem 0; padding-left: 1.5rem; border-left: 3px solid var(--amber); color: var(--text-muted); font-style: italic; font-size: 1.05rem; }

/* --- Two-column ------------------------------------------------------- */
.et-two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: start; }
@media (max-width: 900px) { .et-two-col { grid-template-columns: 1fr; gap: 2rem; } }

.et-aside-card { background: var(--bg-warm); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 1.75rem; }
.et-aside-card h3 { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--amber); margin-bottom: 1rem; font-weight: 500; }
.et-aside-card ul li { padding: 0.6rem 0; border-bottom: 1px dashed var(--border); font-size: 0.92rem; display: flex; justify-content: space-between; gap: 1rem; }
.et-aside-card ul li:last-child { border-bottom: none; }
.et-aside-card ul li span { color: var(--text-muted); font-family: var(--font-mono); font-size: 0.78rem; }

.et-aside-image { border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 1.25rem; background: var(--bg-panel); border: 1px solid var(--border); aspect-ratio: 16 / 10; }
.et-aside-image img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* --- Stats ------------------------------------------------------------ */
.et-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); margin: 3rem 0; }
@media (max-width: 700px) { .et-stats { grid-template-columns: repeat(2, 1fr); } }
.et-stat { padding: 1.75rem 1.25rem; border-right: 1px solid var(--border); }
.et-stat:last-child { border-right: 0; }
@media (max-width: 700px) {
  .et-stat:nth-child(2n) { border-right: 0; }
  .et-stat:nth-child(-n+2) { border-bottom: 1px solid var(--border); }
}
.et-stat-number { font-size: clamp(1.8rem, 3vw, 2.4rem); font-weight: 500; color: var(--ink); letter-spacing: -0.02em; line-height: 1; margin-bottom: 0.5rem; }
.et-stat-number em { color: var(--amber); font-style: normal; }
.et-stat-label { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); }

/* --- Process steps ---------------------------------------------------- */
.et-process { display: grid; grid-template-columns: 1fr; gap: 0; counter-reset: step; }
.et-step { display: grid; grid-template-columns: 80px 1fr; gap: 2rem; padding: 2rem 0; border-bottom: 1px solid var(--border); counter-increment: step; align-items: start; }
.et-step:last-child { border-bottom: none; }
.et-step-num { font-family: var(--font-mono); font-size: 0.85rem; color: var(--amber); letter-spacing: 0.1em; }
.et-step-num::before { content: '0'; }
.et-step-num::after { content: counter(step); }
.et-step h3 { font-size: 1.25rem; margin-bottom: 0.65rem; }
.et-step p { color: var(--text-muted); line-height: 1.7; max-width: 56ch; }
@media (max-width: 700px) { .et-step { grid-template-columns: 1fr; gap: 0.75rem; padding: 1.5rem 0; } }

/* --- Comparison table ------------------------------------------------- */
.et-compare { width: 100%; border-collapse: collapse; margin: 2rem 0; font-size: 0.95rem; }
.et-compare th, .et-compare td { padding: 1rem 1.25rem; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
.et-compare thead th { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); font-weight: 500; background: var(--bg-warm); }
.et-compare thead th:nth-child(2) { color: var(--amber); }
.et-compare td:first-child { font-weight: 500; color: var(--ink); width: 32%; }
.et-compare td:nth-child(2) { background: var(--amber-soft); }
@media (max-width: 700px) { .et-compare { font-size: 0.88rem; } .et-compare th, .et-compare td { padding: 0.75rem 0.5rem; } }

/* --- FAQ ------------------------------------------------------------- */
.et-faq details { border-bottom: 1px solid var(--border); padding: 1.25rem 0; }
.et-faq details[open] summary { color: var(--amber); }
.et-faq summary { cursor: pointer; list-style: none; font-weight: 500; color: var(--ink); font-size: 1.02rem; position: relative; padding-right: 2rem; transition: color 0.15s; }
.et-faq summary::-webkit-details-marker { display: none; }
.et-faq summary::after { content: '+'; position: absolute; right: 0; top: 0; font-size: 1.5rem; line-height: 1; color: var(--amber); font-weight: 300; transition: transform 0.2s; }
.et-faq details[open] summary::after { content: '−'; }
.et-faq details p { margin-top: 0.75rem; color: var(--text-muted); line-height: 1.7; max-width: 68ch; }

/* --- Form ------------------------------------------------------------ */
.et-form-wrap { background: var(--bg-warm); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 2.5rem; }
@media (max-width: 700px) { .et-form-wrap { padding: 1.75rem; } }
.et-form { display: grid; gap: 1.25rem; }
.et-form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
@media (max-width: 640px) { .et-form-grid-2 { grid-template-columns: 1fr; } }
.et-form-row { display: flex; flex-direction: column; gap: 0.4rem; }
.et-form-row label { font-size: 0.82rem; font-weight: 500; color: var(--ink); letter-spacing: 0.01em; }
.et-form-row label span[aria-label="required"] { color: var(--amber); }
.et-form-row input, .et-form-row select, .et-form-row textarea {
  padding: 0.75rem 0.9rem; border: 1px solid var(--border-strong); border-radius: var(--radius);
  font-family: var(--font-body); font-size: 0.95rem; color: var(--ink); background: white;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.et-form-row input:focus, .et-form-row select:focus, .et-form-row textarea:focus {
  outline: none; border-color: var(--amber); box-shadow: 0 0 0 3px var(--amber-soft);
}
.et-form-consent { display: flex; gap: 0.6rem; align-items: flex-start; font-size: 0.85rem; color: var(--text-muted); line-height: 1.55; }
.et-form-consent input { margin-top: 0.25rem; }
.et-form-submit { justify-self: start; margin-top: 0.5rem; }
.et-form-help { font-size: 0.82rem; color: var(--text-muted); line-height: 1.55; padding: 0.75rem 1rem; background: var(--amber-soft); border-left: 3px solid var(--amber); border-radius: 4px; margin-bottom: 1rem; }

/* --- Breadcrumb ------------------------------------------------------ */
.et-breadcrumb { padding: 1.25rem 0; font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-muted); border-bottom: 1px solid var(--border); }
.et-breadcrumb ol { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.et-breadcrumb a { color: var(--text-muted); }
.et-breadcrumb a:hover { color: var(--amber); text-decoration: none; }
.et-breadcrumb li + li::before { content: '/'; margin-right: 0.5rem; color: var(--text-light); }

/* --- Callout -------------------------------------------------------- */
.et-callout { background: var(--amber-soft); border-left: 3px solid var(--amber); padding: 1rem 1.25rem; border-radius: 4px; margin: 1.5rem 0; font-size: 0.95rem; color: var(--ink); line-height: 1.65; }

/* --- Article header --------------------------------------------------- */
.et-article-header { padding: 3.5rem 0 2.5rem; border-bottom: 1px solid var(--border); }
.et-article-header .et-section-label { margin-bottom: 1.25rem; }
.et-article-header h1 { max-width: 22ch; font-size: clamp(1.8rem, 3.6vw, 2.6rem); margin-bottom: 1rem; }
.et-article-meta { display: flex; gap: 1.5rem; margin-top: 1.5rem; font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-muted); flex-wrap: wrap; }
.et-article-meta span { display: inline-flex; align-items: center; gap: 0.4rem; }
.et-article-meta span::before { content: '//'; color: var(--amber); }
.et-article-featured-img { margin: 2.5rem 0; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); }
.et-article-featured-img img { width: 100%; height: auto; display: block; }

/* --- Related posts ---------------------------------------------------- */
.et-related { padding: 4rem 0; background: var(--bg-panel); border-top: 1px solid var(--border); }

/* --- Blog/Guide index listing ----------------------------------------- */
.et-listing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
@media (max-width: 900px) { .et-listing { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .et-listing { grid-template-columns: 1fr; } }

/* --- Product list (subpage inner) ------------------------------------- */
.et-product-list { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1rem; }
@media (max-width: 700px) { .et-product-list { grid-template-columns: 1fr; } }
.et-product-item { padding: 1rem 1.25rem; background: var(--bg-warm); border: 1px solid var(--border); border-radius: var(--radius); font-size: 0.92rem; }
.et-product-item strong { display: block; color: var(--ink); font-weight: 500; margin-bottom: 0.25rem; }
.et-product-item span { color: var(--text-muted); font-size: 0.85rem; font-family: var(--font-mono); }

/* --- 404 ------------------------------------------------------------- */
.et-404 { min-height: 60vh; display: grid; place-items: center; padding: 4rem 1.5rem; text-align: center; }
.et-404-code { font-family: var(--font-mono); font-size: clamp(4rem, 12vw, 7rem); color: var(--amber); letter-spacing: -0.04em; line-height: 1; margin-bottom: 1rem; }
.et-404 h1 { font-size: clamp(1.4rem, 3vw, 1.9rem); margin-bottom: 1rem; }
.et-404 p { color: var(--text-muted); max-width: 42ch; margin: 0 auto 2rem; }
.et-404-links { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }

/* --- Legal ----------------------------------------------------------- */
.et-legal-page { padding: 4rem 0 6rem; }
.et-legal-header { margin-bottom: 3rem; padding-bottom: 2rem; border-bottom: 1px solid var(--border); }
.et-legal-header h1 { margin-bottom: 0.5rem; }
.et-legal-meta { color: var(--text-muted); font-size: 0.92rem; font-family: var(--font-mono); }

/* --- Accessibility --------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}